Are you considering the U.S. Navy as enlisted or as an officer? Learn about the American Navy and your career opportunities within the U.S. Armed Forces.

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The United States Navy (USN) is the maritime service branch of the United States Armed Forces and is designated as the Navy of the United States in the Constitution.

Dive in and explore the Navy — from its traditions to leadership and structure, to the ships, submarines, aircraft and personnel that deliver a global reach. See how America projects power at sea.

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The Navy's primary mission is to defend the United States.

The United States is a maritime nation, and the U.S. Navy protects America at sea. Alongside our allies and partners, we defend freedom, preserve economic prosperity, and keep the seas open and...

Find the latest in Navy news, Navy pay, new Navy gear and equipment, uniform changes, fitness resources and more.

Jan 13, 2026 · Navy, a nation’s warships and craft of every kind maintained by armed forces for fighting on, under, or over the sea. A large modern navy includes aircraft carriers, cruisers, destroyers, …